--- CMakeLists.txt.orig	2026-05-02 04:09:59 UTC
+++ CMakeLists.txt
@@ -170,11 +170,6 @@ endif()
     endif()
 endif()
 
-# remove CMake's idea of optimisation
-foreach (CONFIG ${CMAKE_BUILD_TYPE} ${CMAKE_CONFIGURATION_TYPES})
-    string(REGEX REPLACE "-O[^ ]*" "" CMAKE_C_FLAGS_${CONFIG} "${CMAKE_C_FLAGS_${CONFIG}}")
-    string(REGEX REPLACE "-O[^ ]*" "" CMAKE_CXX_FLAGS_${CONFIG} "${CMAKE_CXX_FLAGS_${CONFIG}}")
-endforeach ()
 
 message(STATUS "ARCH_C_FLAGS   : ${ARCH_C_FLAGS}")
 message(STATUS "ARCH_CXX_FLAGS : ${ARCH_CXX_FLAGS}")